class TwoPhaseRGBPPOWalkthroughILUnshuffleExperimentConfig(
TwoPhaseRGBBaseExperimentConfig
):
SENSORS = [
*TwoPhaseRGBBaseExperimentConfig.SENSORS,
ExpertActionSensor(len(RearrangeBaseExperimentConfig.actions())),
]
USE_RESNET_CNN = False
IL_PIPELINE_TYPE: str = "40proc-longtf"
@classmethod
def tag(cls) -> str:
return f"TwoPhaseRGBPPOWalkthroughILUnshuffle_{cls.IL_PIPELINE_TYPE}"
@classmethod
def num_train_processes(cls) -> int:
return cls._use_label_to_get_training_params()["num_train_processes"]
@classmethod
def _training_pipeline_info(cls) -> Dict[str, Any]:
"""Define how the model trains."""
training_steps = cls.TRAINING_STEPS
il_params = cls._use_label_to_get_training_params()
bc_tf1_steps = il_params["bc_tf1_steps"]
dagger_steps = il_params["dagger_steps"]
return dict(
named_losses=dict(
walkthrough_ppo_loss=MaskedPPO(
mask_uuid="in_walkthrough_phase",
ppo_params=dict(
clip_decay=LinearDecay(training_steps), **PPOConfig
),
),
imitation_loss=Imitation(),
),
pipeline_stages=[
PipelineStage(
loss_names=["walkthrough_ppo_loss", "imitation_loss"],
max_stage_steps=training_steps,
teacher_forcing=StepwiseLinearDecay(
cumm_steps_and_values=[
(bc_tf1_steps, 1.0),
(bc_tf1_steps + dagger_steps, 0.0),
]
),
)
],
**il_params,
)
@classmethod
def _use_label_to_get_training_params(cls):
return il_training_params(
label=cls.IL_PIPELINE_TYPE.lower(), training_steps=cls.TRAINING_STEPS
)
class PointNavHabitatRGBDeterministiSimpleConvGRUImitationExperimentConfig(
DebugPointNavHabitatBaseConfig, PointNavMixInSimpleConvGRUConfig):
"""An Point Navigation experiment configuration in Habitat with Depth
input."""
SENSORS = [
RGBSensorHabitat(
height=DebugPointNavHabitatBaseConfig.SCREEN_SIZE,
width=DebugPointNavHabitatBaseConfig.SCREEN_SIZE,
use_resnet_normalization=True,
),
TargetCoordinatesSensorHabitat(coordinate_dims=2),
ExpertActionSensor(nactions=len(PointNavTask.class_action_names())),
]
@classmethod
def tag(cls):
return "Debug-Pointnav-Habitat-RGB-SimpleConv-BC"
@classmethod
def training_pipeline(cls, **kwargs):
imitate_steps = int(75000000)
lr = 3e-4
num_mini_batch = 1
update_repeats = 3
num_steps = 30
save_interval = 5000000
log_interval = 10000 if torch.cuda.is_available() else 1
gamma = 0.99
use_gae = True
gae_lambda = 0.95
max_grad_norm = 0.5
return TrainingPipeline(
save_interval=save_interval,
metric_accumulate_interval=log_interval,
optimizer_builder=Builder(optim.Adam, dict(lr=lr)),
num_mini_batch=num_mini_batch,
update_repeats=update_repeats,
max_grad_norm=max_grad_norm,
num_steps=num_steps,
named_losses={"imitation_loss": Imitation()},
gamma=gamma,
use_gae=use_gae,
gae_lambda=gae_lambda,
advance_scene_rollout_period=cls.ADVANCE_SCENE_ROLLOUT_PERIOD,
pipeline_stages=[
PipelineStage(
loss_names=["imitation_loss"],
max_stage_steps=imitate_steps,
# teacher_forcing=LinearDecay(steps=int(1e5), startp=1.0, endp=0.0,),
),
],
lr_scheduler_builder=Builder(
LambdaLR, {"lr_lambda": LinearDecay(steps=imitate_steps)}),
)
def get_sensors(cls) -> Sequence[Sensor]:
assert cls.USE_INSTR is not None
return ([
EgocentricMiniGridSensor(agent_view_size=cls.AGENT_VIEW_SIZE,
view_channels=3),
] + ([MiniGridMissionSensor(instr_len=cls.INSTR_LEN)] # type:ignore
if cls.USE_INSTR else []) + ([
ExpertActionSensor( # type: ignore
nactions=len(BabyAITask.class_action_names()))
] if cls.USE_EXPERT else []))
def __init__(self):
super().__init__()
self.SENSORS = [
RGBSensorThor(
height=self.SCREEN_SIZE,
width=self.SCREEN_SIZE,
use_resnet_normalization=True,
uuid="rgb",
),
DepthSensorIThor(
height=self.SCREEN_SIZE,
width=self.SCREEN_SIZE,
use_normalization=True,
uuid="depth",
),
GoalObjectTypeThorSensor(self.OBSTACLES_TYPES),
GPSCompassSensorIThor(),
LocalKeyPoints3DSensorThor(objectTypes=self.OBSTACLES_TYPES,
uuid="3Dkeypoints_local"),
GlobalKeyPoints3DSensorThor(objectTypes=self.OBSTACLES_TYPES,
uuid="3Dkeypoints_global"),
GlobalObjPoseSensorThor(objectTypes=self.OBSTACLES_TYPES,
uuid="object_pose_global"),
GlobalAgentPoseSensorThor(uuid="agent_pose_global"),
GlobalObjUpdateMaskSensorThor(objectTypes=self.OBSTACLES_TYPES,
uuid="object_update_mask"),
GlobalObjActionMaskSensorThor(objectTypes=self.OBSTACLES_TYPES,
uuid="object_action_mask"),
ExpertActionSensor(nactions=len(
ObjectPlacementTask.class_action_names()),
uuid="expert_action",
expert_args={"end_action_only": True}),
]
self.PREPROCESSORS = []
self.OBSERVATIONS = [
"rgb",
"depth",
"goal_object_type_ind",
"target_coordinates_ind",
"3Dkeypoints_local",
"3Dkeypoints_global",
"object_pose_global",
"agent_pose_global",
"object_update_mask",
"object_action_mask",
"expert_action",
]
class OnePhaseRGBILBaseExperimentConfig(OnePhaseRGBBaseExperimentConfig):
SENSORS = [
*OnePhaseRGBBaseExperimentConfig.SENSORS,
ExpertActionSensor(len(RearrangeBaseExperimentConfig.actions())),
]
IL_PIPELINE_TYPE: Optional[str] = None
@classmethod
def _training_pipeline_info(cls, **kwargs) -> Dict[str, Any]:
"""Define how the model trains."""
training_steps = cls.TRAINING_STEPS
params = cls._use_label_to_get_training_params()
bc_tf1_steps = params["bc_tf1_steps"]
dagger_steps = params["dagger_steps"]
return dict(
named_losses=dict(imitation_loss=Imitation()),
pipeline_stages=[
PipelineStage(
loss_names=["imitation_loss"],
max_stage_steps=training_steps,
teacher_forcing=StepwiseLinearDecay(
cumm_steps_and_values=[
(bc_tf1_steps, 1.0),
(bc_tf1_steps + dagger_steps, 0.0),
]
),
)
],
**params
)
@classmethod
def num_train_processes(cls) -> int:
return cls._use_label_to_get_training_params()["num_train_processes"]
@classmethod
def _use_label_to_get_training_params(cls):
return il_training_params(
label=cls.IL_PIPELINE_TYPE.lower(), training_steps=cls.TRAINING_STEPS
)
def __init__(self):
super().__init__()
self.SENSORS = [
RGBSensorThor(
height=self.SCREEN_SIZE,
width=self.SCREEN_SIZE,
use_resnet_normalization=True,
uuid="rgb",
),
DepthSensorIThor(
height=self.SCREEN_SIZE,
width=self.SCREEN_SIZE,
use_normalization=True,
uuid="depth",
),
GoalObjectTypeThorSensor(self.OBSTACLES_TYPES),
GPSCompassSensorIThor(),
ClassSegmentationSensorThor(objectTypes=self.OBSTACLES_TYPES,
height=self.SCREEN_SIZE,
width=self.SCREEN_SIZE,
uuid="seg"),
ExpertActionSensor(nactions=len(
ObjectPlacementTask.class_action_names()),
uuid="expert_action",
expert_args={"end_action_only": True}),
]
self.PREPROCESSORS = []
self.OBSERVATIONS = [
"rgb",
"depth",
"goal_object_type_ind",
"target_coordinates_ind",
"seg",
"expert_action",
]
class ObjectNaviThorRGBDAggerExperimentConfig(
ObjectNavRoboThorBaseConfig,
ObjectNavMixInDAggerConfig,
ObjectNavMixInResNetGRUConfig,
):
"""An Object Navigation experiment configuration in RoboThor with RGB
input."""
SENSORS = [
RGBSensorThor(
height=ObjectNavRoboThorBaseConfig.SCREEN_SIZE,
width=ObjectNavRoboThorBaseConfig.SCREEN_SIZE,
use_resnet_normalization=True,
uuid="rgb_lowres",
),
GoalObjectTypeThorSensor(
object_types=ObjectNavRoboThorBaseConfig.TARGET_TYPES, ),
ExpertActionSensor(nactions=len(ObjectNavTask.class_action_names()), ),
]
@classmethod
def tag(cls):
return "Objectnav-RoboTHOR-RGB-ResNetGRU-DAgger"
class MiniGridCondTestExperimentConfig(ExperimentConfig):
@classmethod
def tag(cls) -> str:
return "MiniGridCondTest"
SENSORS = [
EgocentricMiniGridSensor(agent_view_size=5, view_channels=3),
ExpertActionSensor(action_space=gym.spaces.Dict(
higher=gym.spaces.Discrete(2), lower=gym.spaces.Discrete(2))),
]
@classmethod
def create_model(cls, **kwargs) -> nn.Module:
return ConditionedMiniGridSimpleConvRNN(
action_space=gym.spaces.Dict(higher=gym.spaces.Discrete(2),
lower=gym.spaces.Discrete(2)),
observation_space=SensorSuite(cls.SENSORS).observation_spaces,
num_objects=cls.SENSORS[0].num_objects,
num_colors=cls.SENSORS[0].num_colors,
num_states=cls.SENSORS[0].num_states,
)
@classmethod
def make_sampler_fn(cls, **kwargs) -> TaskSampler:
return MiniGridTaskSampler(**kwargs)
def train_task_sampler_args(
self,
process_ind: int,
total_processes: int,
devices: Optional[List[int]] = None,
seeds: Optional[List[int]] = None,
deterministic_cudnn: bool = False,
) -> Dict[str, Any]:
return self._get_sampler_args(process_ind=process_ind, mode="train")
def valid_task_sampler_args(
self,
process_ind: int,
total_processes: int,
devices: Optional[List[int]] = None,
seeds: Optional[List[int]] = None,
deterministic_cudnn: bool = False,
) -> Dict[str, Any]:
return self._get_sampler_args(process_ind=process_ind, mode="valid")
def test_task_sampler_args(
self,
process_ind: int,
total_processes: int,
devices: Optional[List[int]] = None,
seeds: Optional[List[int]] = None,
deterministic_cudnn: bool = False,
) -> Dict[str, Any]:
return self._get_sampler_args(process_ind=process_ind, mode="test")
def _get_sampler_args(self, process_ind: int, mode: str) -> Dict[str, Any]:
"""Generate initialization arguments for train, valid, and test
TaskSamplers.
# Parameters
process_ind : index of the current task sampler
mode: one of `train`, `valid`, or `test`
"""
if mode == "train":
max_tasks = None # infinite training tasks
task_seeds_list = None # no predefined random seeds for training
deterministic_sampling = False # randomly sample tasks in training
else:
max_tasks = 20 + 20 * (
mode == "test"
) # 20 tasks for valid, 40 for test (per sampler)
# one seed for each task to sample:
# - ensures different seeds for each sampler, and
# - ensures a deterministic set of sampled tasks.
task_seeds_list = list(
range(process_ind * max_tasks, (process_ind + 1) * max_tasks))
deterministic_sampling = (
True # deterministically sample task in validation/testing
)
return dict(
max_tasks=max_tasks, # see above
env_class=self.
make_env, # builder for third-party environment (defined below)
sensors=self.
SENSORS, # sensors used to return observations to the agent
env_info=dict(
), # parameters for environment builder (none for now)
task_seeds_list=task_seeds_list, # see above
deterministic_sampling=deterministic_sampling, # see above
task_class=ConditionedMiniGridTask,
)
@staticmethod
def make_env(*args, **kwargs):
return EmptyRandomEnv5x5()
@classmethod
def machine_params(cls, mode="train", **kwargs) -> Dict[str, Any]:
return {
"nprocesses": 4 if mode == "train" else 1,
"devices": [],
}
@classmethod
def training_pipeline(cls, **kwargs) -> TrainingPipeline:
ppo_steps = int(512)
return TrainingPipeline(
named_losses=dict(
imitation_loss=Imitation(
cls.SENSORS[1]), # 0 is Minigrid, 1 is ExpertActionSensor
ppo_loss=PPO(**PPOConfig,
entropy_method_name="conditional_entropy"),
), # type:ignore
pipeline_stages=[
PipelineStage(
teacher_forcing=LinearDecay(
startp=1.0,
endp=0.0,
steps=ppo_steps // 2,
),
loss_names=["imitation_loss", "ppo_loss"],
max_stage_steps=ppo_steps,
)
],
optimizer_builder=Builder(cast(optim.Optimizer, optim.Adam),
dict(lr=1e-4)),
num_mini_batch=4,
update_repeats=3,
max_grad_norm=0.5,
num_steps=16,
gamma=0.99,
use_gae=True,
gae_lambda=0.95,
advance_scene_rollout_period=None,
save_interval=10000,
metric_accumulate_interval=1,
lr_scheduler_builder=Builder(
LambdaLR,
{"lr_lambda": LinearDecay(steps=ppo_steps)} # type:ignore
),
)
class ObjectNavThorDaggerThenPPOExperimentConfig(
ObjectNavThorPPOExperimentConfig):
"""A simple object navigation experiment in THOR.
Training with DAgger and then PPO.
"""
SENSORS = ObjectNavThorPPOExperimentConfig.SENSORS + [
ExpertActionSensor(action_space=len(
ObjectNaviThorGridTask.class_action_names()), ),
]
@classmethod
def tag(cls):
return "ObjectNavThorDaggerThenPPO"
@classmethod
def training_pipeline(cls, **kwargs):
dagger_steos = int(1e4)
ppo_steps = int(1e6)
lr = 2.5e-4
num_mini_batch = 2 if not torch.cuda.is_available() else 6
update_repeats = 4
num_steps = 128
metric_accumulate_interval = cls.MAX_STEPS * 10 # Log every 10 max length tasks
save_interval = 10000
gamma = 0.99
use_gae = True
gae_lambda = 1.0
max_grad_norm = 0.5
return TrainingPipeline(
save_interval=save_interval,
metric_accumulate_interval=metric_accumulate_interval,
optimizer_builder=Builder(optim.Adam, dict(lr=lr)),
num_mini_batch=num_mini_batch,
update_repeats=update_repeats,
max_grad_norm=max_grad_norm,
num_steps=num_steps,
named_losses={
"ppo_loss": PPO(clip_decay=LinearDecay(ppo_steps),
**PPOConfig),
"imitation_loss": Imitation(), # We add an imitation loss.
},
gamma=gamma,
use_gae=use_gae,
gae_lambda=gae_lambda,
advance_scene_rollout_period=cls.ADVANCE_SCENE_ROLLOUT_PERIOD,
pipeline_stages=[
PipelineStage(
loss_names=["imitation_loss"],
teacher_forcing=LinearDecay(
startp=1.0,
endp=0.0,
steps=dagger_steos,
),
max_stage_steps=dagger_steos,
),
PipelineStage(
loss_names=["ppo_loss"],
max_stage_steps=ppo_steps,
),
],
lr_scheduler_builder=Builder(
LambdaLR, {"lr_lambda": LinearDecay(steps=ppo_steps)}),
)
class TwoPhaseRGBResNetFrozenMapPPOWalkthroughILUnshuffleExperimentConfig(
TwoPhaseRGBResNetPPOWalkthroughILUnshuffleExperimentConfig):
CNN_PREPROCESSOR_TYPE_AND_PRETRAINING = (
None # Not necessary as we're handling things in the model
)
IL_PIPELINE_TYPE: str = "40proc-longtf"
ORDERED_OBJECT_TYPES = list(sorted(PICKUPABLE_OBJECTS + OPENABLE_OBJECTS))
MAP_RANGE_SENSOR = ReachableBoundsTHORSensor(margin=1.0)
MAP_INFO = dict(
map_range_sensor=MAP_RANGE_SENSOR,
vision_range_in_cm=40 * 5,
map_size_in_cm=1050
if isinstance(MAP_RANGE_SENSOR, ReachableBoundsTHORSensor) else 2200,
resolution_in_cm=5,
)
SENSORS = [
ExpertActionSensor(len(RearrangeBaseExperimentConfig.actions())),
RGBRearrangeSensor(
height=RearrangeBaseExperimentConfig.SCREEN_SIZE,
width=RearrangeBaseExperimentConfig.SCREEN_SIZE,
use_resnet_normalization=True,
uuid=RearrangeBaseExperimentConfig.EGOCENTRIC_RGB_UUID,
),
ClosestUnshuffledRGBRearrangeSensor(
height=RearrangeBaseExperimentConfig.SCREEN_SIZE,
width=RearrangeBaseExperimentConfig.SCREEN_SIZE,
use_resnet_normalization=True,
uuid=RearrangeBaseExperimentConfig.UNSHUFFLED_RGB_UUID,
),
InWalkthroughPhaseSensor(),
RelativePositionChangeTHORSensor(),
MAP_RANGE_SENSOR,
]
@classmethod
def tag(cls) -> str:
return f"TwoPhaseRGBResNetFrozenMapPPOWalkthroughILUnshuffle_{cls.IL_PIPELINE_TYPE}"
@classmethod
def create_model(cls, **kwargs) -> nn.Module:
def get_sensor_uuid(stype: Type[Sensor]) -> Optional[str]:
s = next(
(s for s in cls.SENSORS if isinstance(s, stype)),
None,
)
return None if s is None else s.uuid
walkthrougher_should_ignore_action_mask = [
any(k in a for k in ["drop", "open", "pickup"])
for a in cls.actions()
]
map_kwargs = dict(
frame_height=224,
frame_width=224,
vision_range_in_cm=cls.MAP_INFO["vision_range_in_cm"],
resolution_in_cm=cls.MAP_INFO["resolution_in_cm"],
map_size_in_cm=cls.MAP_INFO["map_size_in_cm"],
)
observation_space = (
SensorSuite(cls.SENSORS).observation_spaces
if kwargs.get("sensor_preprocessor_graph") is None else
kwargs["sensor_preprocessor_graph"].observation_spaces)
semantic_map_channels = len(cls.ORDERED_OBJECT_TYPES)
height_map_channels = 3
map_kwargs[
"n_map_channels"] = height_map_channels + semantic_map_channels
frozen_map = ActiveNeuralSLAM(**map_kwargs, use_resnet_layernorm=True)
pretrained_map_ckpt_path = os.path.join(
ABS_PATH_OF_REARRANGE_TOP_LEVEL_DIR,
"pretrained_model_ckpts",
"pretrained_active_neural_slam_via_walkthrough_75m.pt",
)
multiprocessing_safe_download_file_from_url(
url=
"https://prior-model-weights.s3.us-east-2.amazonaws.com/embodied-ai/rearrangement/walkthrough/pretrained_active_neural_slam_via_walkthrough_75m.pt",
save_path=pretrained_map_ckpt_path,
)
frozen_map.load_state_dict(
torch.load(
pretrained_map_ckpt_path,
map_location="cpu",
))
return TwoPhaseRearrangeActorCriticFrozenMap(
map=frozen_map,
semantic_map_channels=semantic_map_channels,
height_map_channels=height_map_channels,
action_space=gym.spaces.Discrete(len(cls.actions())),
observation_space=observation_space,
rgb_uuid=cls.EGOCENTRIC_RGB_UUID,
in_walkthrough_phase_uuid=get_sensor_uuid(
InWalkthroughPhaseSensor),
is_walkthrough_phase_embedding_dim=cls.
IS_WALKTHROUGH_PHASE_EMBEDING_DIM,
rnn_type=cls.RNN_TYPE,
walkthrougher_should_ignore_action_mask=
walkthrougher_should_ignore_action_mask,
done_action_index=cls.actions().index("done"),
)
def sensors(cls) -> Sequence[Sensor]:
return [
*super(OnePhaseRGBILBaseExperimentConfig, cls).sensors(),
ExpertActionSensor(len(RearrangeBaseExperimentConfig.actions())),
]